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In Reply to: Re: Apple question - AIFF/M4A? posted by MJC on March 3, 2007 at 03:39:57:
Let me take a stab at an explanation.Apple tags both AAC and Apple Lossless files with the extension .m4a, therefore, you cannot use the extension to determine the encoding. You have to look at the file properties in the Finder or in iTunes.
As for the fidelity of the formats, AIFF and Apple Lossless preserve exactly the same bits. You can convert a track from AIFF to Apple Lossless and back and compare the reulting files and you'll find it's a bit accurate copy.
I'm not sure why a few people claim to hear a difference in playback between the two formats. All I can guess is that the higher CPU load required for uncompressing the Apple Lossless files on the fly might cause timing issues with some people's systems, but on most systems all of the output is buffered anyway.
AAC is lossy and shouldn't be used for really hifi use, but it is a pretty good sounding option for cramming a lot of songs on an iPod. It's probably a little better sounding than the same file size mp3.
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- Re: Apple question - AIFF/M4A? - Gulliver 09:13:36 03/03/07 (0)
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